How to Clean Burned Steel Grain Bins

Fire can dramatically harm the structural integrity and sanitation of steel grain bins. In addition to leaving a caked-on layer of soot that can damage grain, intense heat can cause cracks and fissures to form in the walls and bottom of the bin, allowing insects, mice and other parasites to get in. To protect your grain after harvest, you must thoroughly clean and seal any bins that have been burned.

Wire brush
Mask or respirator
Industrial sprayer
Vinegar
Water
Baking soda
Pressure washer
Shims
Caulking compound

Instructions

- 1
  Remove any burned grain or debris from the interior of the bin. Scrape the sides with the wire brush to remove loose ash. (Always wear a mask or respirator when working with soot and ash.)
- 2
  Clear the area around the bin. Remove any damaged items as well as any farmyard objects that could impede free movement around the bin.
- 3
  Combine equal parts of vinegar and water in the sprayer. Add one cup of baking soda per gallon of liquid. Agitate the solution gently.
- 4
  Spray an even layer of the solution onto the interior and exterior surfaces. The vinegar and baking soda will foam and release carbon dioxide -- work quickly to avoid gas buildup inside the sprayer. Allow the applied solution to sit for 30 minutes.
- 5
  Pressure wash the inside and outside of the bin, removing the solution.
- 6
  Repeat the process of spraying and pressure washing until all the soot is gone. Allow the bin to dry thoroughly.
- 7
  Check to make sure the bin is level. A vigorous fire can easily unseat a full grain bin at the foundation. Use shims to correct any imbalances that could lead to grain spillage.
- 8
  Check the bin for cracks and fissures. Fill any small openings with a good quality caulk. Hire professionals to fix large openings.

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